I happened across the index to the Economist, which sported this entry: game theory.
Some of the economists I have known were interested in game theory (Originated with John von Neumann.)
Back at the Economist, I was surprise that the first entry read:
Are international football tournaments curse or boon?
Then noticing a definition of game theory that reads:
Reporting and analysis on the politics, economics, science and statistics of the games we play and watch
Just having an index isn’t enough. 😉